Finding the Fourth Proportional to 143,598.03, 215,495.46 and 50,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   143,598.03 : 215,495.46 = 50,103.78 : x
2. Step 2: Convert to fraction form
   143,598.03/215,495.46 = 50,103.78/x
3. Step 3: Cross multiply
   143,598.03x = 215,495.46 × 50,103.78
4. Step 4: Simplify right side
   143,598.03x = 10,797,137,118.84
5. Step 5: Solve for x
   x = 10,797,137,118.84/143,598.03
6. Step 6: Final answer
   x = 75,190.01